🏷️ Basic Information Identification Make: Yamaha Model: CW50N Model Nickname: Jog Vehicle Type: Scooter Generation Generation Code: 1st Generation (Approx. 1999-2002) Codes Chassis Code Primary: CW50N Engine Code Primary: 5BM 👋 Introduction Market Position Segment: Lightweight 50cc Scooter segment, popular for urban commuting and light recreational use. Competitive Analysis Competitors: Honda Dio, Suzuki Address, Aprilia SR50, Peugeot Speedfight (depending on market). Key Features Vehicle Focus: Compact size, agile handling, fuel efficiency, ease of operation, and Yamaha's reputation for reliability. Manual Value Proposition Benefit: Cost-effective solution for maintaining optimal performance and longevity of the Yamaha CW50N. 📋 Manual Details Coverage Areas Covered Years: 1999, 2000, 2001, 2002 Page Count Estimated Page Count: 300+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete disassembly, assembly, inspection, and repair of the 49cc 2-stroke engine. Fuel System: Carburetor inspection, cleaning, adjustment, and troubleshooting; fuel pump operation; fuel tank maintenance. Ignition System: CDI ignition system diagnostics, spark plug specifications, stator coil and pulse generator inspection. Transmission: Automatic CVT (Continuously Variable Transmission) inspection, belt replacement, clutch and torque converter servicing. Cooling System: Air cooling system components and maintenance. Exhaust System: Muffler and exhaust pipe inspection and replacement. Chassis Frame: Frame inspection, component mounting, and general chassis integrity checks. Suspension Front: Telescopic front fork inspection, maintenance, and seal replacement. Suspension Rear: Rear shock absorber inspection and replacement. Brakes Front: Drum brake adjustment, inspection, and component replacement. Brakes Rear: Drum brake adjustment, inspection, and component replacement. Wheels Tires: Wheel bearing inspection, tire pressure specifications, and tire replacement. Electrical System: Wiring diagrams, battery maintenance, lighting system (headlight, taillight, indicators), horn, and starter system. Bodywork Cosmetics: Panel removal and installation, seat, fairings, and storage compartment. Procedures Included Maintenance: Routine checks, lubrication, filter replacement, spark plug replacement, brake adjustment, fluid level checks. Troubleshooting: Diagnostic charts for common starting problems, poor performance, electrical issues, and braking concerns. Repair: Detailed step-by-step instructions for engine rebuilds, carburetor overhauls, transmission servicing, electrical component replacement, and suspension work. Disassembly Assembly: Comprehensive guides for complete vehicle disassembly and reassembly. Torque Specifications: Essential torque values for critical fasteners across all systems. Wiring Diagrams: Detailed electrical schematics for accurate fault finding and repair. Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to full engine and transmission overhauls, including diagnostics and troubleshooting. 📊 Manual Specifications File Format File Type: PDF Searchability: Typically text-searchable PDF for easy navigation. Print Quality Quality: High-resolution scans suitable for printing. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 2-stroke, single-cylinder, liquid-cooled (some variants may be air-cooled, manual will specify) Displacement: 49.2 cc Bore X Stroke: 39.0 mm x 41.4 mm Compression Ratio: 7.4 : 1 (approximate, refer to manual for exact) Carburetor Model: Likely a Mikuni VM12 or similar. Performance Horsepower: Approximately 6.5 - 7.0 HP (subject to market regulations and tuning) Torque: Approximately 5.5 - 6.0 Nm Fuel System Fuel Type: Unleaded gasoline (min 91 RON) Fuel Mixture: Automatic oil injection (premix is not standard) Fuel Tank Capacity: Approx. 5.0 Liters 🔧 Transmission Standard Type: Automatic CVT with V-belt drive Optional Options: N/A Features Clutch: Centrifugal automatic clutch Gear Ratios: Continuously variable, specific ratios managed by variator and clutch engagement. Transmission Fluid: No specific transmission fluid for the CVT; belt and roller wear are key maintenance points. 📐 Dimensions Exterior Overall Length: Approx. 1730 mm Overall Width: Approx. 675 mm Overall Height: Approx. 1045 mm Wheelbase: Approx. 1275 mm Weights Dry Weight: Approx. 85 kg Curb Weight: Approx. 90 kg (with fluids) Cargo Underseat Storage: Yes, typically accommodates a helmet. 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Scooters are generally not subjected to automotive-style crash testing). Active Features Braking: Front and rear drum brakes for reliable stopping power. Lighting: Headlight, taillight, brake light, and turn signals for visibility. Passive Features Frame Construction: Steel frame providing structural integrity. Ride Stability: Designed for stable, predictable handling in urban environments. 💡 Technology Features Infotainment Features: Basic instrument cluster with speedometer, odometer, fuel gauge (if equipped), and indicator lights. No advanced infotainment systems. Driver Assistance Features: N/A (No driver-assistance features typical for this era and scooter type). Connectivity Features: N/A (No Bluetooth or mobile connectivity). 🔧 Maintenance Service Intervals Oil Change Engine: Refer to manual; typically every 3,000-5,000 km for 4-stroke, but 2-strokes rely on oil injection system. Check oil reservoir regularly. Spark Plug Replacement: Every 5,000 - 10,000 km, depending on plug type and usage. Manual specifies correct type and gap. Cvt Belt Inspection: Every 5,000 km; replacement typically between 10,000 - 20,000 km depending on wear. Air Filter Cleaning Replacement: Clean every 5,000 km, replace as needed or every 10,000-15,000 km. Brake Adjustment: Check and adjust as needed, typically every 5,000 km. Fluid Specifications Engine Oil Type: 2-stroke specific, high-quality oil...